Correspondent mortgage originators accounted for a little over a third of the single-family mortgages securitized by Fannie Mae, Freddie Mac and Ginnie Mae during the first quarter of 2014, but they are an unusually rich source of the industry’s most prized commodity, according to a new analysis by Inside Mortgage Trends. Some 68.7 percent of correspondent-originated loans were purchase-money mortgages, the highest such ratio for ... [Includes one data chart]